Nephrolithiasis and Multicystic Kidneys in a Young Patient: A Quiz
(2023) American Journal of Kidney Diseases — Vol. 81, n° 5, p. A9-A11 (2023)
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- (en) CLINICAL PRESENTATION : A 23-year-old man with no relevant medical history or active medication presented with gross hematuria and hypogastric pain. Kidney ultrasound revealed medullary hyperechogenicity, suggestive of nephrocalcinosis, and bilateral cysts (Fig 1). A month later, he developed acute renal colic secondary to an obstructive 14 mm stone located in the right pyeloureteral junction, requiring placement of a double J stent. The stone was removed by ureterorenoscopy. Infrared spectroscopy showed the stone to be of mixed type: carbapatite, brushite, and calcium oxalate mono- and dihydrate. Metabolic work-up revealed mild hypercalcemia with suppressed parathyroid hormone (PTH), elevated 24-hour urinary calcium excretion, 25-hydroxyvitamin D level within the reference range, and high 1,25-dihydroxyvitamin D level (Table 1). Family history was negative for nephrolithiasis or cysts and the parents were not consanguineous. Kidney magnetic resonance imaging showed normal-sized kidneys, multiple renal cysts bilaterally, and the absence of liver cysts. [...]
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Gillion, V., Dahan, K., Dragean, C., & Demoulin, N. (2023). Nephrolithiasis and Multicystic Kidneys in a Young Patient: A Quiz. American Journal of Kidney Diseases, 81(5), A9-A11. https://doi.org/10.1053/j.ajkd.2022.11.018 (Original work published 2023)